Home / 198,152,024.40-297,228,036.60-129,277,270.80

Finding the Fourth Proportional to 198,152,024.40, 297,228,036.60 and 129,277,270.80

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Solution

The fourth proportional to 198,152,024.40, 297,228,036.60 and 129,277,270.80 is: 193,915,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,152,024.40 : 297,228,036.60 = 129,277,270.80 : x
  2. Step 2: Convert to fraction form
    198,152,024.40/297,228,036.60 = 129,277,270.80/x
  3. Step 3: Cross multiply
    198,152,024.40x = 297,228,036.60 × 129,277,270.80
  4. Step 4: Simplify right side
    198,152,024.40x = 38,424,829,376,890,512
  5. Step 5: Solve for x
    x = 38,424,829,376,890,512/198,152,024.40
  6. Step 6: Final answer
    x = 193,915,906.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.